COMPLEX POWER The units of apparent and reactive power are Volt-Ampere inductive capacitive Active Power Reactive Power Another useful form

LEARNING EXAMPLE Determine the voltage and power factor at the input to the line inductive capacitive inductive lagging

DELTA CONNECTED SOURCES Convert to an equivalent Y connection Relationship between phase and line voltages Example

LEARNING EXAMPLE Determine line currents and line voltages at the loads Source is Delta connected. Convert to equivalent Y Analyze one phase Determine the other phases using the balance